WO2004051945A1 - The implementation of the intelligent network in the next generation networks and its interconnection to the pstn - Google Patents
The implementation of the intelligent network in the next generation networks and its interconnection to the pstn Download PDFInfo
- Publication number
- WO2004051945A1 WO2004051945A1 PCT/CN2002/000866 CN0200866W WO2004051945A1 WO 2004051945 A1 WO2004051945 A1 WO 2004051945A1 CN 0200866 W CN0200866 W CN 0200866W WO 2004051945 A1 WO2004051945 A1 WO 2004051945A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- network
- call request
- intelligent
- call
- scp
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
- H04Q3/0029—Provisions for intelligent networking
- H04Q3/0045—Provisions for intelligent networking involving hybrid, i.e. a mixture of public and private, or multi-vendor systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
- H04Q3/0029—Provisions for intelligent networking
Definitions
- the present invention generally relates to an intelligent network (Intelligent Network, IN), and particularly to the implementation of an intelligent network in a Next Generation Network (NGN) and its interworking with a traditional PSTN (Public Telephone Switching Network) network.
- IN Intelligent Network
- NTN Next Generation Network
- PSTN Public Telephone Switching Network
- the circuit switching network currently in common use, due to the superposition of an intelligent network, we can not only dial ordinary telephones, but also obtain other intelligent services by dialing in different service access codes.
- the widely used intelligent network services include, for example: speed dial, hotline, voice mail, billing calling cards, credit card calls, call tracking, and so on.
- U.S. Patent No. 5,479,495 (Method and System for Automatically Accessing and Invoking Switch-Based Services In A Advance Protection Network) and 5553130 (NUMBER TRANSLATION SERVICES MATRIX) disclose the implementation of SCP-based services provided by the SCP, which is included here. for reference.
- next generation communication network there will be more intelligent service providers to serve everyone, so it is necessary to inherit the intelligent network business in the next generation network.
- traditional intelligent network services will not be replaced overnight, so there will be a need for users of traditional PST networks to access intelligent network services in next-generation networks, and users in next-generation networks.
- the intelligent network services are required to implement interworking between the PSTN network and the next-generation network.
- a soft switching device for a next generation network includes: a network adapting device for implementing communication between the soft switching device and other devices in the network, receiving a call request, and a call server for determining that the network is adapted Whether the call request received by the device is a normal call or an intelligent network service call, and processes the normal call; and an INAP adapter, which is used to respond to the intelligent network service call and encode and decode the INAP message.
- a system for implementing an intelligent network including: a soft switching device, the system further including at least one SCP, configured to execute intelligent service logic, and generate an INAP message; and a connection The softswitch device and the IP network of the SCP; wherein the softswitch device includes: a network adaptation device for implementing communication between the softswitch device and other devices in the network, receiving a call request, and a call server, It is used to determine whether the call request received by the network adaptation device is a normal call or an intelligent network service call, and process the normal call; an INAP adapter is used to respond to the intelligent network service call, and encode and decode the INAP message.
- a method for accessing an intelligent network service in a next-generation network by a telephone in a PSTN has at least one SCP for performing intelligent service logic.
- the method includes: the PSTN phone sends a call request by dialing an access code; converting the PSTN phone call request into a protocol format suitable for the next generation network; determining whether the call request is an intelligent network service provided by the SCP; If the call request is an intelligent network service provided by the SCP, the call request is encoded as an INAP message and forwarded to the SCP; and the SCP responds to the INAP message to process the call request.
- a method for accessing an intelligent network service in a PSTN by a telephone in a next-generation network includes: : The phone in the next generation network sends a call request by dialing an access code; judging whether the call request is an intelligent network service provided by the SCP; if the call request is an intelligent network service provided by the SCP, The call request code is an INAP message; the INAP message is converted into a format suitable for a PSTN network and sent to the SCP; and the SCP responds to the INAP message to process the call request.
- a method for accessing an intelligent network service in a PST by a telephone in a next-generation network includes: the telephone in the next generation network sends a call request by dialing an access code; converting the call request into a format suitable for a PSTN network, and forwarding the call request to the PSTN network; judging the Whether the call request is an intelligent network service provided by the SCP; if the call request is an intelligent network service provided by the SCP, encoding the call request into an INAP message and sending it to the SCP; and the response by the SCP
- the INAP message processes the call arrow request.
- FIG. 1 is a schematic diagram showing the interconnection of intelligent network services between a PSTN and a next-generation network according to an embodiment of the present invention
- FIG. 2 is a block diagram showing the structure of a soft switching device according to an embodiment of the present invention
- FIG. 3 is a schematic diagram showing a process of implementing an intelligent network debit card service in a NGN network using a soft switching device according to an embodiment of the present invention ;
- FIG. 4 shows a flowchart of a telephone in a PSTN network accessing an intelligent network service in a GN network according to an embodiment of the present invention
- FIG. 5 ⁇ shows a flowchart of a telephone in a NGN network accessing an intelligent network service in a PSTN network according to an embodiment of the present invention.
- FIG. 1 is a schematic diagram showing the interconnection of intelligent network services in a PSTN and a next-generation network according to an embodiment of the present invention.
- FIG. 1 shows a PSTN / ISDN 100 and an SS7 (Signaling No. 7) network 101 connected to the network.
- SS7 Signaling No. 7
- SS7 Signaling No. 7
- SS7 common channel signaling protocol
- a network including an SS7 network and a PSTN / ISDN circuit switched network is collectively referred to as a PSTN network.
- the traditional intelligent network refers to an architecture that uses SS7 signaling as a communication protocol to implement intelligent advanced functions in the telephone network.
- the intelligent network usually includes: a service switching point (SSP), such as a local central office or a switch; a service control point (SCP), which is used to perform functions and business editing, is the core of the intelligent network; (IPe), used to provide dedicated resources required for intelligent network services, such as playback operation prompts, recording or fax storage; and other components, such as service data point (SDP), service management point (SMP) service generation Environmental Point (SCEP) and Attachment (AD).
- SSP service switching point
- SCP service control point
- IPe IPe
- SDP service data point
- SMP service management point
- SCEP Service generation Environmental Point
- AD Attachment
- an intelligent network service is implemented on the PSTN network, which includes at least one SCP 110.
- SCP 110 includes at least one SCP 110.
- SCPs and other components described above may be included.
- SCP110 is used as an example here.
- FIG. 1 also shows a core compact group network 200 (next generation network NGN).
- the NGN network refers to an IP-centric converged network that can simultaneously support voice, data, and multimedia services. Because the PSTN network is based on circuit switching and the NGN network is based on IP packet switching, to connect the two networks to achieve the interworking of telephone services, various gateways must be configured between them. These gateways mainly include two categories: media gateways and signaling gateways.
- the media gateway is used to forward media information (such as voice and video) from one network to the other network.
- the relay gateway TG 122 and the access gateway AG 123 in Figure 1 are examples of media gateways.
- the signaling gateway is used to forward information from one network to the other network.
- the signaling gateway SG 121 in Figure 1 is an example of a signaling gateway. In practical applications, there are also gateways that combine the functions of a signaling gateway and a media gateway, such as the network access server NAS 124 in FIG. 1. Typically, the NAS 124 can use the SIP or H.323 protocol to implement the interworking of telephone services on the PSTN network and the NG network.
- a softswitch device 201 and a service control point SCP 202 are also connected to the core packet network 200 in FIG. 1.
- Softswitch equipment is used to provide call control and connection control functions for services with real-time requirements of the next-generation network. It is the core of next-generation network call and control. Based on the research of the existing softswitch equipment, the present invention should further realize the interworking of the intelligent network services in the next generation network and the intelligent network services between the PSTN network and the next generation network.
- FIG. 2 is a block diagram showing a configuration of a soft switching device according to an embodiment of the present invention.
- the soft switching device 300 includes: a network adaptation device 310, a call server 320, a resource manager 330, an INAP adapter 340, and an INAP / TCP interface 350.
- the network adaptation device 310 is located at the bottom of each functional module in the soft switching device, and is configured to support a standard protocol in the network and complete the low-level communication between the soft switching device and other devices on the network. Receives data in the form of packets from the network 200, including call requests from telephone users, and sends data from the upper-layer modules to the network 200 in the required format and address.
- the network adaptation device 310 of the softswitch 300 shown in FIG. 2 includes a signaling transmission adapter 312 and a media gateway control adapter 313.
- the signaling transmission adapter 312 is configured to transmit signaling data through IP packets.
- the signaling data is transmitted to the signaling gateway SG121 and the signaling data is received from the signaling gateway SG121.
- both the SIGTRAN protocol and the H.248 protocol are designed to transmit signaling messages in an IP network.
- the present invention is not limited to using SIGTRAN protocol or H, 248 protocol to transmit signaling, and other protocols that can achieve the above purpose can also be used.
- the media gateway control adapter 313 in the network adaptation device 310 is configured to transmit control information between the softswitch device and various media gateways in the network 200, for example, according to the H.248 protocol and the relay gateway TG 122 and access
- the gateway AG 123 transmits control information, or transmits the control information with the network access server NAS 124 according to the SIP or H.323 protocol.
- the present invention is not limited to using H.248, H.323, SIP or MGCP protocols to transmit control information, and other protocols that can achieve the above-mentioned purpose can also be used.
- the call server 320 is configured to process a basic call, complete the judgment of the intelligent service, upload the data of the intelligent service, and respond to some requests transmitted by the INAP adapter 340.
- the resource manager 330 is used to manage resources, manage and control related resources such as voice resources. Process.
- the intelligent service when the SCP prompts the user to input interactive information, the resource manager 330 controls the interaction between the user and the voice resource, and passes the data input by the user to the upper-layer INAP adapter 340.
- the INAP adapter 340 is used to interpret the INAP message, pass the control information contained in it to the call server 320 and the resource manager 330, and encode the interaction information with the user into an INAP message, and send it through the appropriate transmission protocol, such as Send to SCP 202.
- the softswitch device 300 further includes an INAP / TCP interface 350, which is used to directly send the INAP message generated by the INAP adapter through the TCP / IP protocol, and correspondingly receives the user application from the network 200.
- FIG. 3 illustrates a process of implementing an intelligent network debit card service in a network 200 using a soft switching device according to an embodiment of the present invention.
- the call is transferred to the softswitch device 201.
- the call server 320 analyzes the called number to determine whether it is an intelligent service call.
- the call server 320 can complete the above judgment by searching a database (not shown) that stores all intelligent service access codes.
- the call server 320 passes the call to the INAP adapter 340.
- the INAP adapter 340 generates an IDP message and sends it to the SCP202 using the SIGTRAN protocol through a signaling transmission adapter—or alternatively, sends it to the SCP202 through the INAP / TCP interface 350.
- SCP202 After receiving the IDP message, SCP202 executes the corresponding service withdrawal, generates a CTR (connect to resource message) command message, and sends it to the softswitch device 201.
- the softswitch device 201 receives the CTR instruction message, decodes it through the INAP adapter 340, and jointly connects the user media stream with the media server 203 resource by the resource manager 330 and the call server 320.
- the resource The manager 330 instructs the media server 203 to play a prompt tone and charge the user for dialing.
- User dialing is coded by INAP adapter 340
- a ResultReport response message is sent to SCP202. In this way, after several interactions, SCP202 collected the user's card number, password, called number and other information through the softswitch device 201.
- SCP202 sends a connect instruction message to softswitch device 201
- INAP adapter 340 of softswitch device 201 decodes the command message and connects the caller and the callee.
- the caller and the caller make a call.
- the INAP adapter 340 of the softswitch device 201 generates a billing message, a BCSM event report and other messages and sends them to SCP202, and the conversation ends.
- the present invention also provides a method for accessing an intelligent network service in a next-generation network by a telephone in a PSTN by using a soft switching device.
- FIG. 4 shows a flowchart of a telephone service in a PSTN network accessing an intelligent network service in an NGN network according to an embodiment of the present invention.
- a PSTN phone for example, phone 102A, dials an access code and sends a call request.
- the call is routed to the soft switching device 201 of the core packet network 200 through a signaling gateway (for example, SG121 in FIG. 1) and a media gateway (for example, TG122 in FIG. 1).
- the soft switching device 201 analyzes the call to determine whether the call is an intelligent network service request.
- step 415 the call server 320 in the soft switching device 201 processes the basic call in step 415, otherwise, in step 420, softswitch 340 is generated by the adapter device 201 INAP INAP message sent SCP202 o Finally, step 425, SCP202 execute business logic, through the soft switching device 201 to interact with telephone 102A, process the call request.
- the present invention also provides a method for a telephone in a next generation network to access an intelligent network service in a PSTN by using a soft switching device.
- FIG. 5 shows a flowchart of a telephone in an NGN network accessing an intelligent network service in a PST network according to an embodiment of the present invention.
- a phone of the NGN network for example, phone 127A, dials an access code and sends a call request.
- the request is transmitted to the soft switching device 201.
- the soft switching device 201 analyzes the call request to determine whether it is a call of an intelligent network service. If not, in step 510, the call server 320 in the soft switching device 201 processes the basic call. Otherwise, in step 515, INAP message is generated by INAP adapter 340 of softswitch device 201 Interest.
- the generated INAP message is sent to the signaling gateway SG121 in the SIGTRAN protocol format, and forwarded by SG121 to SCP110 in the PSTN network 100.
- SCP110 executes intelligent network service logic, interacts with telephone 127A through signaling gateway SG121, media gateway TG122, and softswitch device 525, and processes the call request.
- the softswitch device 201 determines that the call request is an intelligent network service provided by SCP110 in the PSTN network, the softswitch device 201 does not generate an INAP message, but passes through the signaling gateway SG121 And the media gateway TG122 sends the call request to the PSTN network 100, and the SSP (not shown) in the PSTN network performs encoding and decoding of the INAP message.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB02829937XA CN100367737C (zh) | 2002-12-03 | 2002-12-03 | 下一代网络中智能网的实现及其与pstn网络的互通 |
US10/537,043 US8842816B2 (en) | 2002-12-03 | 2002-12-03 | Implementation of the intelligent network in the next generation networks and its interconnection to the PSTN |
AU2002349475A AU2002349475A1 (en) | 2002-12-03 | 2002-12-03 | The implementation of the intelligent network in the next generation networks and its interconnection to the pstn |
PCT/CN2002/000866 WO2004051945A1 (en) | 2002-12-03 | 2002-12-03 | The implementation of the intelligent network in the next generation networks and its interconnection to the pstn |
EP02782657A EP1569398A4 (en) | 2002-12-03 | 2002-12-03 | IMPLEMENTATION OF AN INTELLIGENT NETWORK IN NEW GENERATION NETWORKS AND INTERCONNECTION WITH RTCP |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2002/000866 WO2004051945A1 (en) | 2002-12-03 | 2002-12-03 | The implementation of the intelligent network in the next generation networks and its interconnection to the pstn |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004051945A1 true WO2004051945A1 (en) | 2004-06-17 |
Family
ID=32400062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2002/000866 WO2004051945A1 (en) | 2002-12-03 | 2002-12-03 | The implementation of the intelligent network in the next generation networks and its interconnection to the pstn |
Country Status (5)
Country | Link |
---|---|
US (1) | US8842816B2 (zh) |
EP (1) | EP1569398A4 (zh) |
CN (1) | CN100367737C (zh) |
AU (1) | AU2002349475A1 (zh) |
WO (1) | WO2004051945A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101212510B (zh) * | 2006-12-30 | 2011-08-17 | 上海贝尔阿尔卡特股份有限公司 | 固网中的多本地网环境下查询用户相关信息的方法及装置 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100898250B1 (ko) | 2003-01-24 | 2009-05-18 | 주식회사 케이티 | Megaco 기반 액세스 게이트웨이의 전화가입자에대한 지능망 서비스 제공시스템 및 방법 |
US8325615B2 (en) * | 2006-09-08 | 2012-12-04 | Cisco Technology, Inc. | System and method for collapsed subscriber management and call control |
CN101562733B (zh) * | 2009-05-20 | 2012-09-05 | 中兴通讯股份有限公司 | 将视频采集设备接入次世代网络的装置及方法 |
US8375144B2 (en) * | 2010-03-22 | 2013-02-12 | Metaswitch Networks Ltd | System for connecting applications to legacy and next generation networks |
US20130170404A1 (en) * | 2010-07-16 | 2013-07-04 | Alcatel-Lucent | Control capabilities for information recording sessions |
CN103516686A (zh) * | 2012-06-27 | 2014-01-15 | 中兴通讯股份有限公司 | 一种协议转换设备、方法和智能网系统、工作方法 |
CN103312904B (zh) * | 2013-05-31 | 2015-10-21 | 中国联合网络通信集团有限公司 | 点击拨号的号码显示方法、装置及系统 |
TWI581601B (zh) * | 2014-05-28 | 2017-05-01 | Chunghwa Telecom Co Ltd | Integration of IMS and intelligent terminal technology to support the wisdom of the guidance system and methods |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5479495A (en) * | 1993-10-01 | 1995-12-26 | U S West Advanced Technologies, Inc. | Method and system for automatically accessing and invoking switch-based services in an advanced intelligent network |
US5553130A (en) * | 1995-04-25 | 1996-09-03 | Bell Sygma Inc. | Number translation services matrix |
EP0928120A2 (de) * | 1997-09-29 | 1999-07-07 | Siemens Aktiengesellschaft | Verwaltung der Erreichbarkeit eines Endgerätes in einem Mobilfunknetz und einem intelligenten Netz |
US20010010690A1 (en) * | 2000-01-13 | 2001-08-02 | Yuzhong Shen | Method, service switching point, service control point, internet gateway, program module, and internet terminal for establishing a connection between a telephone-network terminal and an internet terminal |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI103542B1 (fi) * | 1995-04-04 | 1999-07-15 | Nokia Telecommunications Oy | Henkilökohtainen IN-palvelu |
US6243456B1 (en) * | 1997-08-29 | 2001-06-05 | Lucent Technologies Inc. | ETSI intelligent network capability set 1 trigger detection points on a service switching point |
US6614781B1 (en) * | 1998-11-20 | 2003-09-02 | Level 3 Communications, Inc. | Voice over data telecommunications network architecture |
US6950441B1 (en) * | 1999-03-30 | 2005-09-27 | Sonus Networks, Inc. | System and method to internetwork telecommunication networks of different protocols |
US6363424B1 (en) * | 1999-09-01 | 2002-03-26 | Lucent Technologies, Inc. | Reuse of services between different domains using state machine mapping techniques |
US6622016B1 (en) * | 1999-10-04 | 2003-09-16 | Sprint Spectrum L.P. | System for controlled provisioning of telecommunications services |
US6968051B1 (en) * | 2000-11-28 | 2005-11-22 | Nortel Networks Limited | Programmable feature queues |
US6826198B2 (en) * | 2000-12-18 | 2004-11-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Signaling transport protocol extensions for load balancing and server pool support |
US7103644B1 (en) * | 2001-06-29 | 2006-09-05 | Bellsouth Intellectual Property Corp. | Systems for an integrated data network voice-oriented service and non-voice-oriented service converged creation and execution environment |
-
2002
- 2002-12-03 EP EP02782657A patent/EP1569398A4/en not_active Ceased
- 2002-12-03 WO PCT/CN2002/000866 patent/WO2004051945A1/zh not_active Application Discontinuation
- 2002-12-03 AU AU2002349475A patent/AU2002349475A1/en not_active Abandoned
- 2002-12-03 CN CNB02829937XA patent/CN100367737C/zh not_active Expired - Fee Related
- 2002-12-03 US US10/537,043 patent/US8842816B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5479495A (en) * | 1993-10-01 | 1995-12-26 | U S West Advanced Technologies, Inc. | Method and system for automatically accessing and invoking switch-based services in an advanced intelligent network |
US5553130A (en) * | 1995-04-25 | 1996-09-03 | Bell Sygma Inc. | Number translation services matrix |
EP0928120A2 (de) * | 1997-09-29 | 1999-07-07 | Siemens Aktiengesellschaft | Verwaltung der Erreichbarkeit eines Endgerätes in einem Mobilfunknetz und einem intelligenten Netz |
US20010010690A1 (en) * | 2000-01-13 | 2001-08-02 | Yuzhong Shen | Method, service switching point, service control point, internet gateway, program module, and internet terminal for establishing a connection between a telephone-network terminal and an internet terminal |
Non-Patent Citations (1)
Title |
---|
See also references of EP1569398A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101212510B (zh) * | 2006-12-30 | 2011-08-17 | 上海贝尔阿尔卡特股份有限公司 | 固网中的多本地网环境下查询用户相关信息的方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
US20060146786A1 (en) | 2006-07-06 |
EP1569398A4 (en) | 2006-09-06 |
CN100367737C (zh) | 2008-02-06 |
AU2002349475A1 (en) | 2004-06-23 |
EP1569398A1 (en) | 2005-08-31 |
CN1695359A (zh) | 2005-11-09 |
US8842816B2 (en) | 2014-09-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100426278B1 (ko) | 상이한망에서음성접속을셋업하기위한방법및시스템 | |
KR100259409B1 (ko) | 디지탈 정보 네트워크상에서의 전화 교환 시스템의 제어 | |
US6807185B1 (en) | System and method for signalling and call processing for private and hybrid communications systems including multimedia systems | |
US7075918B1 (en) | BRG with PBX capabilities | |
US6754180B1 (en) | System, method, and computer program product for support of bearer path services in a distributed control network | |
Hamdi et al. | Voice service interworking for PSTN and IP networks | |
US6829243B1 (en) | Directory assistance for IP telephone subscribers | |
US20020141386A1 (en) | System, apparatus and method for voice over internet protocol telephone calling using enhanced signaling packets and localized time slot interchanging | |
CN101277343A (zh) | 在语音通信网络中实现视频捆绑的方法、终端及系统 | |
CN101365020B (zh) | 将电话呼叫转为互联网呼叫的方法、调制解调器及服务器 | |
US6438218B1 (en) | Internet telephone service | |
CN1338185A (zh) | 通过无线网络进行基于ip的并行话音和数据业务 | |
WO2007025950A1 (en) | Unified centrex services via access code | |
AU2002331092A1 (en) | Control of packet network-based service servers using in particular dtmf signals | |
CN100426826C (zh) | 一种留言灯的实现方法及通信系统 | |
CN100403261C (zh) | 纯软件的交互式语音应答/语音信箱设备的实现方法 | |
WO2004051945A1 (en) | The implementation of the intelligent network in the next generation networks and its interconnection to the pstn | |
US7079640B2 (en) | Method and apparatus for implementing an extensible range of communications services in telephone networks | |
EP1928151B1 (en) | A packet network telecommunication system | |
Cheston III et al. | System for obtaining forwarding information for electronic system using speech recognition | |
KR100348798B1 (ko) | 공중교환망 단말기를 이용한 인터넷 폰 서비스 시스템 및그 방법 | |
JP2001333185A (ja) | インターネットプロトコル標準規格に基づいたマルチメディアメッセージ送信 | |
KR100729580B1 (ko) | IVR 기능을 내장한 VoIP 게이트웨이를 이용하여전화 가입자에게 부가 서비스를 제공하기 위한 전화서비스망 및 그 부가 서비스 방법 | |
JP3662896B2 (ja) | コンタクトセンタシステム | |
KR100461726B1 (ko) | 인터넷 기반 통합망에서 개방형 서비스 api를 이용한서비스를 제공하는 시스템 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SK SL TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LU MC NL PT SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2002829937X Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2002782657 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2002782657 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2006146786 Country of ref document: US Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10537043 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 10537043 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: JP |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: JP |